Trough

(noun.) a long narrow shallow receptacle.

(noun.) a narrow depression (as in the earth or between ocean waves or in the ocean bed).

校对:瓦珥

• Then placing the boat at one end of the trough, the weight would draw it through the water to the other. 本杰明·富兰克林. 富兰克林自传.
• When all the water has been forced out, slip the glass plate under the mouth of the bottle and remove the bottle from the trough. 伯莎M.克拉克. 科学通论.
• Biot on the action of fluids on light, he placed the fluids in a trough formed by two plates of glass cemented together at an angle. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Estimating the quantity of water which flows through the trough each second. 伯莎M.克拉克. 科学通论.
• Fill the trough with water until the shelf is just covered and allow the end of the delivery tube to rest just beneath the hole in the shelf. 伯莎M.克拉克. 科学通论.
• At the door of a cottage I saw a little girl about to throw a mess of cold porridge into a pig trough. 夏洛蒂·勃朗特. 简·爱.
• The trough battery was used by Sir Humphry Davy in his series of great experiments--1806-1808--in which he isolated the metallic bases, calcium, sodium, potassium, etc. 威廉·亨利·杜利特. 世纪发明.
• The workmen all stand on high benches, up from the floor, and under the hogs we find troughs to keep any scraps from getting under the workmen’s feet. 佚名. 神奇的知识之书.
• These troughs reach over to the center of the top of the joists, and are soldered together, so that no water will drip on the floor below. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• In using the method for saw blades, they are first heated in a suitable furnace and then placed vertically, teeth upward, in troughs filled with the mixture. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The windmill pumps water into the troughs where cattle drink. 伯莎M.克拉克. 科学通论.

校对:玛克辛